LGW2D821MELC25

The LGW2D821MELC25 is an aluminum electrolytic, snap‑in terminal capacitor from Nichicon’s LGW series designed for general‑purpose power applications. It delivers 820 µF at a 200 V rating with a radial can, snap‑in package engineered for high ripple current environments.

Engineered for extended high‑temperature operation, this capacitor is specified to withstand 3,000 hours of rated ripple current at 105°C and is RoHS compliant, making it suitable for designs that require durable bulk capacitance and consistent performance under thermal and ripple stress.

Key Features

• Capacitance & Voltage — 820 µF rated capacitance at 200 V for bulk energy storage and smoothing in power circuits.
• High Ripple Current — Specified ripple performance includes 3.48 A at 120 Hz and 5.22 A at 50 kHz, supporting high AC stress across a range of frequencies.
• High‑Temperature Endurance — Endurance rated for 3,000 hours when subjected to rated ripple current at 105°C, providing predictable long‑term behavior in hot operating environments.
• Operating Temperature Range — Rated for operation from −40°C to 105°C to cover a wide range of thermal conditions.
• Snap‑In Radial Can Package — Snap‑in terminal mounting for secure board attachment and mechanical stability in cabinet and chassis installations.
• Capacitance Tolerance & Polarity — ±20% tolerance at 120 Hz, 20°C; polarized electrolytic design for DC bulk applications.
• Regulatory Compliance — Compliant with RoHS directive (2011/65/EU, (EU)2015/863).
• Compact Size — Package dimensions: L: 2.5 × D: 3.5 cm, suitable for space‑conscious power assemblies.

Typical Applications

• General‑purpose power filtering — Bulk capacitance and ripple suppression where sustained ripple currents and elevated temperature endurance are required.
• Power supply smoothing — Energy storage and smoothing in DC power rails that experience high ripple and thermal stress.
• High‑ripple circuits — Circuits that demand capacitors rated for multi‑hour ripple endurance at elevated temperatures.

Unique Advantages

• Designed for sustained ripple — Rated ripple current specifications and 3,000‑hour endurance at 105°C reduce the need for frequent replacement in high‑stress designs.
• Wide operating temperature tolerance — −40°C to 105°C rating supports deployment across a broad range of thermal environments.
• Snap‑in mounting for robust assembly — Snap‑in terminals provide strong mechanical retention for chassis and PCB installations, simplifying assembly.
• Frequency‑range performance — Ripple current data available at both low and high frequencies (120 Hz and 50 kHz) helps match the capacitor to switching and rectified applications.
• Regulatory alignment — RoHS compliance supports designs constrained by environmental directive requirements.

Why Choose LGW2D821MELC25?

The LGW2D821MELC25 is positioned for engineers seeking a reliable, high‑ripple aluminum electrolytic capacitor in a snap‑in radial can package. Its combination of 820 µF at 200 V, documented ripple current performance, and 3,000‑hour endurance at 105°C offers a predictable solution for sustained thermal and electrical stress.

This part is suited to designs that prioritize long‑term stability and regulatory compliance, delivering clear specification data to support selection, validation, and lifecycle planning.

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